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c288d657dd
This will replace the hacky use of DMA_ATTR_SKIP_CPU_SYNC to avoid touching the possibly non-KVA MMIO memory. Also correct the incorrect caching attribute for the IOMMU, MMIO memory should not be cachable inside the IOMMU mapping or it can possibly create system problems. Set IOMMU_MMIO for DMA_ATTR_MMIO. Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/17ba63991aeaf8a80d5aca9ba5d028f1daa58f62.1757423202.git.leonro@nvidia.com |
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.